Update includes/bastion-failed-subnet.md

typo fix

Author: v-shils

includes/bastion-failed-subnet.md

@@ -6,4 +6,4 @@ ms.date: 10/03/2023
 ms.author: cherylmc
 ---
 
-If you get a message saying "Failed to add subnet", you can work around this issue that sometimes occurs in some regions. Go to the **Subnets** page for your VNet and add a subnet. The subnet name must be be **AzureBastionSubnet**. The subnet address range specified must be /26 or larger. (/25, /24 etc.) After you add the subnet, you can **Deploy Bastion**.
+If you get a message saying "Failed to add subnet", you can work around this issue that sometimes occurs in some regions. Go to the **Subnets** page for your VNet and add a subnet. The subnet name must be **AzureBastionSubnet**. The subnet address range specified must be /26 or larger. (/25, /24 etc.) After you add the subnet, you can **Deploy Bastion**.